事故是由她的笨拙引起的。

The accident was caused by her ___clumsiness.

然后我想和她以及女孩们一起跳绳，但我的笨拙让我脸红了，我离开了绳子，回到了我的男孩游戏中。

Then I wanted to skip with her and the girls but my ___clumsiness made me [b]lush and I left the rope and returned to my boys' games.

他处理精密仪器时的笨拙经常导致破损。

His ___clumsiness in handling delicate instruments often leads to breakages.